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ARRT Review
Radiation Safety Part 5 - Stochastic/Non Stochastic
Question | Answer |
---|---|
The reason why radiographers should shield their selves and use ALARA each day is to prevent or reduce the chance of ____ response/effects. | Stochastic (Probabilistic) |
In a typical radiographer's daily work load should they be concerned about non-stochastic effects? | No. Non-stochastic effects are dose related and it would take a significant dose to the skin, eyes, etc to create a dose response. |
Which dose response would be more likely long term? | Stochastic ( Cancer, Leukemia, and Genetic) |
Which dose response would be more likely short term ( days, weeks, or months) | Non - stochastic ( deterministic) such as epilation, sterility etc. Anything with a dose will be non-stochastic and radiographers are not affected by these |
Stochastic responses are mostly due to ___________ doses | Cumulative (however, we do not really know). This is why we shield ourselves |
Which type of dose response curve would be used for plotting stochastic effects? | Linear, non-threshold ( there is no dose related to stochastic effects. Stochastic is "serious" like cancer and genetics and their is no dose associated with it. The line will stay in the corner. |
Which type of dose response curve would be used for plotting non-stochastic effects? | Linear, Threshold. The doses would be plotted along the line to depict the various doses in order of severity. Deterministic effects would be like sterility, epilation, cataracts, etc. |
Another term for probabilistic dose response is | Stochastic |
An example of probabilistic dose response is | cancer, genetics, leukemia |
Carcinogenesis is an example of what type of dose response? | Stochastic (another term for cancer) |
Increased dose will result in _____________ for Stochastic dose responses | increased probabilities, not severity |
Which dose response is characterized by being random in nature? | Stochastic (probablistic) |
Which type of response is dose -dependent? | Deterministic (non-stochastic) |
The annual dose of 50 msv for occupational workers reflect the level to reduce which type of dose response? | Stochastic |
Go to your "Target" area at the bottom of your screen - turn on back | Instead of quiz, test, hit "Target" and you can identify different curves |